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Dmitry [639]
2 years ago
8

In parallelogram abcd, m

Mathematics
2 answers:
just olya [345]2 years ago
6 0
What aboout it? please clarify.
ExtremeBDS [4]2 years ago
5 0
What's the rest of the problem? Can't help if we don't have a picture of some sort or if we don't have the rest of the question
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How many protons are in an element with an atomic number of 8 and a mass number of 18?
Orlov [11]
A)8,atomic number also means proton number
8 0
3 years ago
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If 9x x 3x+1 = 2187, what is the value of x?<br><br><br><br><br>​
Snezhnost [94]

Answer:

x = 80.96

Step-by-step explanation:

9x * 3x +1 = 2187

27x +1 = 2187

27x = 2187-1

27x = 2186

x = 2186/27 = 80.96(2dp)

7 0
3 years ago
Which number-line model represents the sum of 1.25+(-0.75)?
SIZIF [17.4K]

Solution:

<u>A few tips...</u>

  • Tip-1: If "+" and "-" are multiplied, it gives a result of "-".
  • Tip-2: If "-" and "-" are multiplied, it gives a result of "+".
  • Tip-3: If "+" and "+" are multiplied, it gives a result of "-".

<u>Changing the sign of the given equation.</u>

  • 1.25 + (-0.75)
  • => 1.25 - 0.75                                        [Sign changes according to tip-1.]

This could only mean that the arrow would go to <u>1.25 units forward.</u> Then a second arrow will be drawn to go <u>0.75 units back.</u>

The graph that matches with the above info is Option C.

5 0
2 years ago
Solve for j. 144j2 + 21 = 85
Sphinxa [80]

Answer:

2/3

Step-by-step explanation:

I assume the 2 after the j is a square. So, we bring the 21 to the other side by subtracting it from both sides, getting 144j^2=64. Now we divide to get 64/144 = j^2. Make sure NOT to simplify it, it's perfect right now. The square root of that is \sqrt{64}/ \sqrt{144}, or 8/12, which we can now simplify to 2/3. Hope this helps!

5 0
2 years ago
HELP IAM BEING TIMED
MaRussiya [10]

Answer:

B

Step-by-step explanation:

given y = kx

To find k use the x and y values of the coordinate point given (- 5, 3)

k = \frac{y}{x} = \frac{3}{-5} = - \frac{3}{5}

7 0
3 years ago
Read 2 more answers
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